Mercurial > projects > ddmd
annotate dmd/AssertExp.d @ 165:25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
Getting rid of global state (i.e global and static variables) to allow running concurrent compilation
| author | korDen |
|---|---|
| date | Thu, 30 Sep 2010 10:04:32 +0400 |
| parents | e28b18c23469 |
| children | af724d3510d7 |
| rev | line source |
|---|---|
| 72 | 1 module dmd.AssertExp; |
| 2 | |
| 114 | 3 import dmd.common; |
| 72 | 4 import dmd.Expression; |
| 5 import dmd.backend.elem; | |
| 6 import dmd.UnaExp; | |
| 7 import dmd.InterState; | |
| 8 import dmd.OutBuffer; | |
| 9 import dmd.Loc; | |
| 10 import dmd.Scope; | |
| 11 import dmd.InlineCostState; | |
| 12 import dmd.InlineDoState; | |
| 13 import dmd.IRState; | |
| 14 import dmd.HdrGenState; | |
| 0 | 15 import dmd.InlineScanState; |
| 16 import dmd.Type; | |
| 17 import dmd.Global; | |
| 72 | 18 import dmd.InvariantDeclaration; |
| 0 | 19 import dmd.TOK; |
| 20 import dmd.TY; | |
| 21 import dmd.TypeClass; | |
| 22 import dmd.Module; | |
| 23 import dmd.WANT; | |
| 24 import dmd.FuncDeclaration; | |
| 25 import dmd.HaltExp; | |
| 26 import dmd.TypeStruct; | |
| 27 import dmd.backend.Util; | |
| 28 import dmd.codegen.Util; | |
| 29 import dmd.backend.OPER; | |
| 30 import dmd.backend.TYM; | |
| 31 import dmd.backend.RTLSYM; | |
| 32 import dmd.backend.Symbol; | |
| 33 import dmd.backend.dt_t; | |
| 34 import dmd.backend.SC; | |
| 72 | 35 import dmd.backend.FL; |
| 0 | 36 |
| 37 import core.stdc.string; | |
| 38 import std.string : toStringz; | |
| 39 | |
|
165
25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
korDen
parents:
114
diff
changeset
|
40 //static __gshared Symbol* assertexp_sfilename = null; |
|
25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
korDen
parents:
114
diff
changeset
|
41 //static __gshared string assertexp_name = null; |
|
25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
korDen
parents:
114
diff
changeset
|
42 //static __gshared Module assertexp_mn = null; |
| 72 | 43 |
| 0 | 44 class AssertExp : UnaExp |
| 45 { | |
| 46 Expression msg; | |
| 47 | |
| 48 this(Loc loc, Expression e, Expression msg = null) | |
| 49 { | |
| 50 super(loc, TOK.TOKassert, AssertExp.sizeof, e); | |
| 51 this.msg = msg; | |
| 52 } | |
| 53 | |
| 72 | 54 override Expression syntaxCopy() |
| 0 | 55 { |
| 72 | 56 AssertExp ae = new AssertExp(loc, e1.syntaxCopy(), |
| 57 msg ? msg.syntaxCopy() : null); | |
| 53 | 58 return ae; |
| 0 | 59 } |
| 60 | |
| 72 | 61 override Expression semantic(Scope sc) |
| 0 | 62 { |
| 63 version (LOGSEMANTIC) { | |
| 64 printf("AssertExp.semantic('%s')\n", toChars()); | |
| 65 } | |
| 66 UnaExp.semantic(sc); | |
| 67 e1 = resolveProperties(sc, e1); | |
| 68 // BUG: see if we can do compile time elimination of the Assert | |
| 69 e1 = e1.optimize(WANTvalue); | |
| 70 e1 = e1.checkToBoolean(); | |
| 71 if (msg) | |
| 72 { | |
| 73 msg = msg.semantic(sc); | |
| 74 msg = resolveProperties(sc, msg); | |
| 75 msg = msg.implicitCastTo(sc, Type.tchar.constOf().arrayOf()); | |
| 76 msg = msg.optimize(WANTvalue); | |
| 77 } | |
| 78 if (e1.isBool(false)) | |
| 79 { | |
| 80 FuncDeclaration fd = sc.parent.isFuncDeclaration(); | |
| 81 fd.hasReturnExp |= 4; | |
| 82 | |
| 83 if (!global.params.useAssert) | |
| 84 { | |
| 85 Expression e = new HaltExp(loc); | |
| 86 e = e.semantic(sc); | |
| 87 return e; | |
| 88 } | |
| 89 } | |
| 90 type = Type.tvoid; | |
| 91 return this; | |
| 92 } | |
| 93 | |
| 72 | 94 override Expression interpret(InterState istate) |
| 0 | 95 { |
| 96 assert(false); | |
| 97 } | |
| 98 | |
| 72 | 99 override bool checkSideEffect(int flag) |
| 0 | 100 { |
| 101 return true; | |
| 102 } | |
| 103 | |
| 104 version (DMDV2) { | |
| 72 | 105 override bool canThrow() |
| 0 | 106 { |
| 107 /* assert()s are non-recoverable errors, so functions that | |
| 108 * use them can be considered "nothrow" | |
| 109 */ | |
|
165
25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
korDen
parents:
114
diff
changeset
|
110 return false; //(global.params.useAssert != 0); |
| 0 | 111 } |
| 112 } | |
| 72 | 113 override void toCBuffer(OutBuffer buf, HdrGenState* hgs) |
| 0 | 114 { |
| 115 assert(false); | |
| 116 } | |
| 117 | |
| 72 | 118 override int inlineCost(InlineCostState* ics) |
| 0 | 119 { |
| 120 return 1 + e1.inlineCost(ics) + (msg ? msg.inlineCost(ics) : 0); | |
| 121 } | |
| 122 | |
| 72 | 123 override Expression doInline(InlineDoState ids) |
| 0 | 124 { |
| 125 AssertExp ae = cast(AssertExp)copy(); | |
| 126 | |
| 127 ae.e1 = e1.doInline(ids); | |
| 128 if (msg) | |
| 129 ae.msg = msg.doInline(ids); | |
| 130 return ae; | |
| 131 } | |
| 132 | |
| 72 | 133 override Expression inlineScan(InlineScanState* iss) |
| 0 | 134 { |
| 135 e1 = e1.inlineScan(iss); | |
| 136 if (msg) | |
| 137 msg = msg.inlineScan(iss); | |
| 138 return this; | |
| 139 } | |
| 140 | |
| 141 static private void* castToVoid(int i) | |
| 142 { | |
| 143 return cast(void*)i; | |
| 144 } | |
| 145 | |
| 72 | 146 override elem* toElem(IRState* irs) |
| 0 | 147 { |
| 148 elem* e; | |
| 149 elem* ea; | |
| 150 Type t1 = e1.type.toBasetype(); | |
| 151 | |
| 152 //printf("AssertExp.toElem() %s\n", toChars()); | |
| 153 if (global.params.useAssert) | |
| 154 { | |
| 155 e = e1.toElem(irs); | |
| 156 | |
| 157 InvariantDeclaration inv = cast(InvariantDeclaration)castToVoid(1); | |
| 158 | |
| 159 // If e1 is a class object, call the class invariant on it | |
| 160 if (global.params.useInvariants && t1.ty == Tclass && | |
| 161 !(cast(TypeClass)t1).sym.isInterfaceDeclaration()) | |
| 162 { | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
163 version (POSIX) {///TARGET_LINUX || TARGET_FREEBSD || TARGET_SOLARIS |
| 0 | 164 e = el_bin(OPcall, TYvoid, el_var(rtlsym[RTLSYM__DINVARIANT]), e); |
| 165 } else { | |
| 166 e = el_bin(OPcall, TYvoid, el_var(rtlsym[RTLSYM_DINVARIANT]), e); | |
| 167 } | |
| 168 } | |
| 169 // If e1 is a struct object, call the struct invariant on it | |
| 170 else if (global.params.useInvariants && | |
| 171 t1.ty == Tpointer && | |
| 172 t1.nextOf().ty == Tstruct && | |
| 173 (inv = (cast(TypeStruct)t1.nextOf()).sym.inv) !is null) | |
| 174 { | |
| 175 e = callfunc(loc, irs, 1, inv.type.nextOf(), e, e1.type, inv, inv.type, null, null); | |
| 176 } | |
| 177 else | |
| 178 { | |
| 179 // Construct: (e1 || ModuleAssert(line)) | |
| 180 Symbol* sassert; | |
| 181 Module m = irs.blx.module_; | |
| 182 string mname = m.srcfile.toChars(); | |
| 183 | |
| 184 //printf("filename = '%s'\n", loc.filename); | |
| 185 //printf("module = '%s'\n", m.srcfile.toChars()); | |
| 186 | |
| 187 /* If the source file name has changed, probably due | |
| 188 * to a #line directive. | |
| 189 */ | |
| 190 if (loc.filename && (msg || loc.filename != mname)) | |
| 191 { | |
| 192 elem* efilename; | |
| 193 | |
| 194 /* Cache values. | |
| 195 */ | |
|
165
25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
korDen
parents:
114
diff
changeset
|
196 Symbol* assertexp_sfilename = null; |
|
25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
korDen
parents:
114
diff
changeset
|
197 string assertexp_name = null; |
|
25ede4f66bda
Temporarily disabled GC (again) because phobos fails to compile with it (looks like some ObjSymbols are being falsely collected, see Library.d:666)
korDen
parents:
114
diff
changeset
|
198 Module assertexp_mn = null; |
| 0 | 199 |
| 200 if (!assertexp_sfilename || loc.filename != assertexp_name || assertexp_mn != m) | |
| 201 { | |
| 202 dt_t* dt = null; | |
| 203 | |
| 204 string id = loc.filename; | |
| 205 int len = id.length; | |
| 206 dtdword(&dt, len); | |
| 207 dtabytes(&dt,TYnptr, 0, len + 1, toStringz(id)); | |
| 208 | |
| 209 assertexp_sfilename = symbol_generate(SCstatic,type_fake(TYdarray)); | |
| 210 assertexp_sfilename.Sdt = dt; | |
| 211 assertexp_sfilename.Sfl = FLdata; | |
| 212 version (ELFOBJ) { | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
213 assertexp_sfilename.Sseg = Segment.CDATA; |
| 0 | 214 } |
| 215 version (MACHOBJ) { | |
|
22
fd4acc376c45
Implemented object file output and linking on linux.
Robert Clipsham <robert@octarineparrot.com>
parents:
0
diff
changeset
|
216 assertexp_sfilename.Sseg = Segment.DATA; |
| 0 | 217 } |
| 218 outdata(assertexp_sfilename); | |
| 219 | |
| 220 assertexp_mn = m; | |
| 221 assertexp_name = id; | |
| 222 } | |
| 223 | |
| 224 efilename = el_var(assertexp_sfilename); | |
| 225 | |
| 226 if (msg) | |
| 72 | 227 { |
| 0 | 228 elem* emsg = msg.toElem(irs); |
| 229 ea = el_var(rtlsym[RTLSYM_DASSERT_MSG]); | |
| 230 ea = el_bin(OPcall, TYvoid, ea, el_params(el_long(TYint, loc.linnum), efilename, emsg, null)); | |
| 231 } | |
| 232 else | |
| 233 { | |
| 234 ea = el_var(rtlsym[RTLSYM_DASSERT]); | |
| 235 ea = el_bin(OPcall, TYvoid, ea, el_param(el_long(TYint, loc.linnum), efilename)); | |
| 236 } | |
| 237 } | |
| 238 else | |
| 239 { | |
| 240 sassert = m.toModuleAssert(); | |
| 241 ea = el_bin(OPcall,TYvoid,el_var(sassert), | |
| 242 el_long(TYint, loc.linnum)); | |
| 243 } | |
| 244 e = el_bin(OPoror,TYvoid,e,ea); | |
| 245 } | |
| 246 } | |
| 247 else | |
| 248 { | |
| 249 // BUG: should replace assert(0); with a HLT instruction | |
| 250 e = el_long(TYint, 0); | |
| 251 } | |
| 252 el_setLoc(e,loc); | |
| 253 | |
| 254 return e; | |
| 255 } | |
| 256 } | |
| 257 |